# _*_ encoding:utf-8 _*_
from __future__ import unicode_literals
from  datetime import datetime

from django.db import models


# Create your models here.
class CityDict(models.Model):
    name = models.CharField(max_length=20, verbose_name=u"城市")
    desc = models.CharField(max_length=200, verbose_name=u"描述")
    add_time = models.DateTimeField(default=datetime.now)

    class Meta:
        verbose_name = u"城市"
        verbose_name_plural = verbose_name
    def __unicode__(self):
        return self.name


class CourseOrg(models.Model):
    name = models.CharField(max_length=50,verbose_name=u"机构名称")
    desc = models.TextField(verbose_name=u"机构描述")
    tag = models.CharField(default=u"精英讲师",max_length=10,verbose_name=u"机构标签")
    category = models.CharField(default="pxjg",verbose_name=u"机构类别", max_length=20,choices=(("pxjg","培训机构"),("gr","个人"),("xx","学校")))
    click_nums = models.IntegerField(default=0,verbose_name=u"点击数")
    fav_nums = models.IntegerField(default=0,verbose_name=u"收藏数")
    image = models.ImageField(upload_to="org/%Y/%m",verbose_name=u"logo")
    address = models.CharField(max_length=150,verbose_name=u"机构地址")
    city= models.ForeignKey(CityDict,verbose_name=u"所在城市")
    students = models.IntegerField(default=0,verbose_name=u"学习人数")
    course_nums = models.IntegerField(default=0,verbose_name=u"课程数")

    add_time = models.DateTimeField(default=datetime.now,verbose_name=u"添加时间")

    class Meta:
        verbose_name = u"课程机构"
        verbose_name_plural = verbose_name

     #调用教师类函数获取属性数量

    def  get_teacher_nums(self):
         return  self.teacher_set.all().count()


    def __unicode__(self):
        return self.name


class Teacher(models.Model):
    org = models.ForeignKey(CourseOrg,verbose_name=u"所属机构")
    name = models.CharField(max_length=50,verbose_name=u"教师名称")
    work_years = models.IntegerField(default=0,verbose_name=u"工作年限")
    work_company = models.CharField(max_length=50, verbose_name=u"就职公司")
    work_position = models.CharField(max_length=50, verbose_name=u"公司职位")
    points = models.CharField(max_length=50, verbose_name=u"教学特点")
    click_nums = models.IntegerField(default=0, verbose_name=u"点击数")
    fav_nums = models.IntegerField(default=0, verbose_name=u"收藏数")
    age = models.IntegerField(default=18, verbose_name=u"年龄")
    image = models.ImageField(default='',upload_to="teacher/%Y/%m", verbose_name=u"头像")
    add_time = models.DateTimeField(default=datetime.now)

    class Meta:
        verbose_name = u"教师"
        verbose_name_plural = verbose_name

    def __unicode__(self):
        return self.name

    def get_course_nums(self):
        return  self.course_set.all().count()